Pith Number

pith:JPTIKLNV

pith:2025:JPTIKLNVKIMCETI42USJQSSSEZ

not attested not anchored not stored refs pending

Breaking the degeneracy in stellar spectral classification from single wide-band images

Alex Szapiro, Ezequiel Centofanti, Jean-Luc Starck, Jennifer Pollack, Samuel Farrens, Tobias Liaudat

arxiv:2501.16151 v1 · 2025-01-27 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPTIKLNVKIMCETI42USJQSSSEZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T10:16:19.744948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be6852db55218224d1cd524984a52265f6c85ae03c9b74a998469e46b75760f

Aliases

arxiv: 2501.16151 · arxiv_version: 2501.16151v1 · doi: 10.48550/arxiv.2501.16151 · pith_short_12: JPTIKLNVKIMC · pith_short_16: JPTIKLNVKIMCETI4 · pith_short_8: JPTIKLNV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JPTIKLNVKIMCETI42USJQSSSEZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4be6852db55218224d1cd524984a52265f6c85ae03c9b74a998469e46b75760f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9e583bb6f5ca5b684a16498cc5943e8f7d32abc5fd2d55a9f47ae5a1bbad8c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-27T15:45:47Z",
    "title_canon_sha256": "628e0fc55c941e4cbde1d7fa0beb65ff394f3b199e349e3b56d47b7fca82faff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16151",
    "kind": "arxiv",
    "version": 1
  }
}